Hey now,
Ok I'll play. When half your models are older than your teen age kids.
...when you still miss the smell of Ambroid and Aerogloss.
When you dig through the old servo box and find a few that are not only "male" pin outs but are also "reverse" servos.
I've got more but I should let somebody else play...
RobII

When youngsters think you build your own planes because you do not have enough money to buy ARF. When youngsters think you are a beginner when you are just cruising around not trying to perform every thing you can all the time.
Two rookies have said me during the year, with honestly amazed face "You managed to land!" Pretty competetive minded, this proud young genearation. If you are not showing off all the time, you are a loser for them.

...you centre your controls without using sub-trim on the transmitter.
...you know how to do a snap roll without using the switch on the transmitter.
...you know how to set up control throws without using ATV / Travel adjust on the transmitter.

When the club president is the adult son of your old flying buddy -- and you were flying with that buddy long before the son was born. In fact, you were both club instructors well before the kid was hatched!